Emerson Control Techniques Epsilon Eb Series Reference Manual page 255

Epsilon Eb and EN Drives Reference Manual
Output Function
A function (i.e., Drive OK, Fault) that may be attached to an output line.
Output Line
The actual transistor or relay controlled output signal.
Parameters
User read only or read/write parameters that indicate and control the drive operation.
PE
Protective Earth.
PID
Proportional-Integral-Derivative. An acronym that describes the compensation structure that
can be used in many closed-loop systems.
PLC
Programmable Logic Controller. Also known as a programmable controller, these devices are
used for machine control and sequencing.
PowerTools-Base and -FM
Windows®-based software to interface with the Epsilon drives, EN drives and Function
Modules.
Radio Button
Also known as the Option Button. In a dialog box, radio buttons are small circles only one of
which can be chosen at a time. The chosen button is black and the others are white. Choosing
any button with the mouse causes all the other buttons in the set to be cleared.
RAM
RAM is an acronym for Random-Access Memory, which is a memory device whereby any
location in memory can be found, on average, as quickly as any other location.
RMS
Root Mean Squared. For an intermittent duty cycle application, the RMS is equal to the value
of direct current which would produce the equivalent heating over a long period of time.
ROM
ROM is an acronym for Read-Only Memory. A ROM contains computer instructions that do
not need to be changed, such as permanent parts of the operating system.
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